Search U.S. government technical reports digitized or harvested by TRAIL.
Frictional ignition of gas during a roof fall
Effect of natural gas concentration on ignitibiliy of gallery atmospheres
Ignition of coal dust-methane-air mixtures by hot-turbulent-gas jets
Portable methane detectors :effects of gases in mine atmospheres
Minimum ignition energy and quenching distance in gaseous mixtures :techniques and apparatus
Reduction of incendivity of hot gases to methane and coal dust by sodium chloride and sodium nitrate
Limits of flame propagation of coal dust-methane-air mixtures
Investigation of flame propagation characteristics in layered gas mixtures
Electrification of ammonium nitrate in pneumatic loading
Behavior of coal-gas reservoirs
Gas migration characteristics of coalbeds
Effect of sodium nitrate on the incendivity of explosives in coal dust-gas-air mixtures